Interface: 25-pin parallel port card motherboard socket width 38mm for motherboard connection parallel port. Motherboard parallel port requirements - 25-pin and pin width of 31mm. Connect the LPT1 row with pins on the motherboard, do not insert it in reverse, there is a red border line, the motherboard corresponds to the pin is generally marked as shown in the figure above. Motherboard BIOS in printer port operating mode (parallel port mode), set to Normal. The cable only plays a physical conductive connection connection, whether it supports dongles, gamepads, printers and various types of equipment, please contact your motherboard, equipment and supplier! Wire socket width: 3.8 cm Wire length: 26 cm Material: plastic color: As shown Package contents: 2 x motherboard baffle cable Only the above package contents, other products are not included. Note: Light reflection and different screens may cause the color of the item in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3 cm. This parallel port cable connects your motherboard to a 25-pin parallel port. Ensure your motherboard meets the specified requirements (25-pin, 31mm pin width) and BIOS settings are configured to Normal. Note: This cable provides a physical connection only. Compatibility with specific devices (dongles, gamepads, printers) depends on your motherboard, equipment, and supplier.